28 (2) The nominated and elected members of each Presiden: 4 tial Legislative Council (other than that of the Virgin Islands) : shall, not later than the third sitting of that Council after the coming into force of any Order made by the Governor under « Article 13 of the Letters Patent and after any dissolution thereof, elect from among the elected members of that Council such number of persons as is specified in clause 25 of these Instructions to be Elected Members of the Executive Council - of the Presidency concerned. 30.—(1) Subject to the provisions of these Instructions Tenure of the Presidential Official Members, the Presidential Appointed °- Members, and the Nominated Members shall hold their seats in the Presidential Executive Councils during Our pleasure. (2) The seat of a Presidential Official Member, if he is . appointed by name, or of a Presidential Appointed Member shall become vacant— (a) upon his death; or (>) if he shall, by writing under his hand .addressed ~ ‘to the Governor, resign his seat in the Presidential Execu- - tive Council, and if his resignation shall be accepted by the Governor; or (c) if he shall be absent from the Presidency con- cerned without the written permission of the Governor, or of the Administrator or Commissioner of the said Presi- dency; or (d) if, being a Presidential Official Member, he shall cease to hold a public office. (3) The seat of a Nominated Member or of an Elected Member of a Presidential Executive Council shall become vacant— ‘ (a) if he shall cease to be a Member of the Legisla- ‘tive Council of the Presidency concerned: Provided that, if a Member of a Presidential Execu- | tive Council shall cease to be a member of the Presidential Legislative Council by reason of the dissolution thereof, he shall not on that account vacate his seat in the Presidential . Executive Council until such time as the nominated and '* "elected members of the Presidential Legislative Council , shall, after such dissolution, elect any person to bea Mem- ih ber of the Presidential Executive Council in pursuance of paragraph (2) of clause 29 of these Instructions; or